Raphael Amorim

Senior Software Developer @ http://charm.sh/

Enthusiastic about compilers, WebAssembly, and Rust, Raphael Amorim is a Software Developer at Charm and a member of the JS Foundation. He’s previously worked with teams at Spotify, GoDaddy, Viaplay, and Globo.com, focusing on developer tooling and platform infrastructure. He’s the author of a WebAssembly book (written in Portuguese) and maintains open-source projects like the Rio terminal and the Boo code editor. Outside of work, he’s passionate about building better tools for developers and pushing the boundaries of what’s possible at the command line.

Raphael Amorim
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This edition
Past editions

This edition

Unchaining Charm: Making Developer Tools Speak Every Language
October 06 2025 - 10:45 (45 min )

As developer tooling becomes more essential across ecosystems, popular libraries like Charm.sh’s Bubble Tea and Lip Gloss are seeing demand beyond their original Go roots. This talk explores the process of porting these libraries to multiple programming languages, highlighting the technical challenges, design decisions, and strategies for preserving their unique developer experience. Attendees will gain insights into building cross-language libraries, handling platform-specific constraints, and creating tooling that feels native—no matter the language.

LEVEL: Intermediate
Unchaining Charm: Making Developer Tools Speak Every Language

Past editions

2023
Bring Gameboy alive in the Web with Rust and WebAssembly

Let's see how the heart of a Gameboy works by analysing the 8-bit microprocessor: Sharp LR35902. We will look at the behaviour of one of the CPU registers, memory and graphics processing of a Gameboy, consolidating this knowledge into writing an emulator for the Web.

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